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Sherborne Sensors Limited
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PSD Product Sheet Issue 1.9 02.08.07 www.mantracourt.co.uk sales@mantracourt.co.uk tel +44 (0)1395 232020 PSD Strain Gauge or Load Cell Hand Held Display Features .. Powered by 2 x AA internal batteries .. Portable handheld precision instrument weighing only 250grams .. Tactile keyboard, with dual range selection, peak/valley hold, gross/net and on/off controls .. Microprocessor based, allowing single pass calibration facility .. Dual range facility .. Accepts an input range of up to 50mV/V .. Environmentally sealed to IP65 / NEMA 4 .. 7 digit LCD display, with battery, peak, trough, net, error and shunt cal indication .. 1 year Warranty .. Auto sleep Introduction The PSD is a completely portable strain gauge battery powered indicator, packaged in a small, robust IP65 / NEMA 4 enclosure. For simplified use, the operator only has access to six keys. Two separate ranges are available, which enable the instrument to read and display two units of measure. The menu options offer the ability to tailor the instruments response to the application. Gross, Net, Peak and Trough measurements are easily selected. An announciator indicates which range has been selected. There is also a window, to insert a legend, describing each range. Once these parameters are set, it provides the user with the simplest of indicators. The Case is Registered Design No. 3021311 Specifications Description Strain Gauge Non linearity Internal resolution Resolution at 1Hz sample rate Resolution at 10Hz sample rate Temperature effect on zero Temperature effect on span Offset stability Gain stability Excitation voltage Strain gauge impedance Sensitivity full range, setting 1 Sensitivity full range, setting 2 Minimum 4.8 85 -5 -50 Typical 0.001 24 250,000 65,000 0.0002 0.0002 0.002 0.003 5 350 Maximum 0.005 0.0007 0.0005 0.008 0.01 5.2 5000 +5 +50 Units % FR Bits Counts/divisions Counts/divisions +/-%FR/ºC@2.5mV/V +/-%/ºC +/-%FR from original offset at any time % per annum Vdc Ohms mV/V mV/V Performance Input Type Internal Battery Battery Life Update Rate Strain Gauge Full Bridge Sensors 2 x AA Alkaline, access via sealed rear compartment, please note batteries are not included. With 350R sensor continuously on 35 hours or up to 5000 hrs in low power mode 10mS to 2s Including Peak/Valley Hold capture rate Indication Display Type Display Resolution Annunciators: 7 digit LCD display, 8.8mm high digits 1 part in 250,000 at 1s update Low battery warning peak, trough, hold, net, shunt cal, range, by LCD annunicators PSD Strain Gauge or Load Cell Hand Held Display 1 Ringway Centre, Edison Road, Basingstoke, Hampshire, RG21 6YH, United Kingdom Tel : +44 (0) 870 444 0728 Fax : +44 (0) 870 444 0729 email : sales@sherbornesensors.com website : www.sherbornesensors.com
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PSD Product Sheet Issue 1.9 02.08.07 www.mantracourt.co.uk sales@mantracourt.co.uk tel +44 (0)1395 232020 Control Variables Front Panel User Keys Settable Parameters Calibration Tactile Keys for:- ON/OFF/TROUGH Switches PSD power on/off/displays trough reading RANGE Selects between two ranges, PEAK displays peak reading HOLD Switches Hold on/off GROSS/NET Toggles between gross and net readings SHUNT CAL Puts PSD units shunt calibration mode (100k resistor) Display Resolution Rate 0.5, 1, 3, 10, 25Hz Low power modes By front panel keypad buttons protected by key sequence Physical Electrical...
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